Quick answers
- Which hospitals does Gretchen E. Winter work at?
- Medicare's official clinician data lists Gretchen E. Winter at 3 hospitals: Adventist Health Sierra Vista, Adventist Health Twin Cities and French Hospital Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gretchen E. Winter see patients?
- Medicare's clinician data lists 1 practice location in Templeton, CA. Call before your visit to confirm the address.
- What is Gretchen E. Winter's specialty?
- Medicare lists Hospitalist as the primary specialty.
- Does Gretchen E. Winter accept Medicare assignment?
- Yes. Medicare's clinician data says Gretchen E. Winter accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Gretchen E. Winter?
- (805) 434-3500, as listed in official Medicare / NPI Registry data.
- What is Gretchen E. Winter's NPI number?
- 1558640953. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gretchen E. Winter works
Medicare's Facility Affiliation Data lists Gretchen E. Winter at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Health Sierra VistaSan Luis Obispo, CA · Acute Care Hospital · CCN 050506
- Adventist Health Twin CitiesTempleton, CA · Acute Care Hospital · CCN 050633
- French Hospital Medical CenterSan Luis Obispo, CA · Acute Care Hospital · CCN 050232
Practice locations
Addresses where Gretchen E. Winter is enrolled with Medicare (CMS data updated 2026-10-02).
- 1100 Las Tablas RdTempleton, CA 93465 (805) 434‑3500
Group practices
Medicare enrollment lists Gretchen E. Winter as a member of this group (CMS data updated 2026-10-02).
- Galen Inpatient Physicians PC1,077 clinicians in the group
Specialties
- Hospitalistprimary
Other hospitalists in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Western University Of Health Sciences College Of Dental Med |
| Graduation year | 2010 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1558640953 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians